The SRB-E-322ST is a multifunction safety relay providing three STOP 0 safety contacts and two fail-safe digital outputs for functional safety applications. It mounts on a DIN rail to EN 60715 and features a glass-fibre reinforced thermoplastic enclosure. The device supports wire breakage detection, short-circuit recognition, automatic reset, and earth connection detection. It achieves Performance Level e and Control Category 4 per EN ISO 13849-1, with a PFH of 1.25 × 10⁻⁸/h for relay outputs and 2.66 × 10⁻⁹/h for digital outputs, and is suitable for SIL 3 applications. The relay has a mechanical life of at least 10 million operations, uses screw terminals for rigid or flexible wiring, and includes six LEDs and one auxiliary contact. It meets IEC 61508, IEC 62061, IEC/EN 60204-1, EN 60947-5-1, and EN ISO 13849-1 standards, with TÜV, cULus, CCC, EAC, and CNCA approvals.
Multifunction safety relay SRB-E-322ST - 103008184 from Schmersal provides the ability to monitor and control your safety applications with 3 safety relay outputs, 2 digital fail-safe outputs, and 1 auxiliary output. The SRB-E-322ST - 103008184 can be integrated into a variety of functions, including safety sensor, e-stop, light curtain, and two-handed control applications among others. The operating voltage of the SRB-E-322ST - 103008184 is 24 V DC. The rated output voltage of the safety relay outputs is 24 V DC / 230 V AC with a 4 A current rating.
| Automation24, Inc. | |
|---|---|
| Product Category | Electromechanical Relays |
| Product Name | Safety relay Schmersal SRB-E-322ST - 103008184 |
| Mounting | Screw terminals |